Which types of input controls would best mitigate the following threats? a. Posting the amount of a sale to a customer account that does not exist. b. A customer entering too many characters into the five-digit zip code while making an online purchase, causing the server to crash c. An intern's pay rate was entered as $150 per hour, not $15 per hour d. Approving a customer order without the customer's address so the order was not shipped on time. e. Entering the contract number of a critical contract as 13688 instead of 16388, which is a serious mistake for the company